Babis Kanellopoulos

feat: update unused styles docs

2

### Summary [Stackoverflow issue](https://stackoverflow.com/questions/71793681/handle-no-unused-styles-for-dynamic-stylesheet) * Updated no-unused-styles docs in order to include dynamic styles * Updated test cases with dynamic styles

Feat/optional velocity threshold

4

### Summary * Added a new optional property `swipeCloseVelocity` to override the default value`SWIPE_CLOSE_VELOCITY` This PR solves the following issue: https://github.com/jobtoday/react-native-image-viewing/issues/165

### Summary * Include `.idea` in `.gitignore` * Bump example's project expo version from `^44.0.0` to `~47.0.8`